CN214748659U - A bevel connection vacuum chamber for gas tightness detects - Google Patents
A bevel connection vacuum chamber for gas tightness detects Download PDFInfo
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- CN214748659U CN214748659U CN202121214653.1U CN202121214653U CN214748659U CN 214748659 U CN214748659 U CN 214748659U CN 202121214653 U CN202121214653 U CN 202121214653U CN 214748659 U CN214748659 U CN 214748659U
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Abstract
The utility model discloses a bevel vacuum box for air tightness detection, which comprises a lower semi-vacuum box body fixed on the upper end surface of a frame, an upper semi-vacuum box body and telescopic cylinders at two sides, wherein the rear end of the lower semi-vacuum box body is provided with an air inlet and an air outlet, the air outlet is externally communicated with an air tightness detector, the air inlet is externally communicated with a corrugated pipe and an air filter, the rear end of the upper semi-vacuum box body is movably connected with the lower semi-vacuum box body through a hinged frame, one side of the hinged frame is fixedly connected with a top support frame on the lower semi-vacuum box body, the top support frame is fixedly connected with a buffer valve, the opening end surface of the lower semi-vacuum box body is provided with a rectangular sealing ring, the bevel vacuum box for air tightness detection can utilize the vacuum box structure of the bevel, the traditional upper opening vacuum box is abandoned, the process of placing products to be detected is labor-saving, the box is divided into two large box body structures in a diagonal way, and the sealing action is realized through the driving of the cylinders at two sides, compared with the traditional single-cylinder pressing cover plate, the sealing performance is more effective, and the actual production is convenient.
Description
Technical Field
The utility model relates to a check out test set technical field, concretely relates to bevel connection vacuum chamber for gas tightness detects.
Background
The air tightness detection is usually carried out by adopting a negative pressure method principle, the negative pressure method is to carry out vacuum pumping under the condition that equipment is sealed, so that the internal pressure of the negative pressure method is smaller than the external atmospheric pressure, and a vacuum attenuation method (dry detection) and a vacuum side leakage method (water detection) are specifically applied; the vacuum attenuation method is that under the condition of completely sealing all contact surfaces, the product is directly or indirectly vacuumized, and the pressure value delta P3 is analyzed and read through an IK-MF series airtightness detector, so that whether the product is qualified or not is judged.
The existing filter product needs to be subjected to air tightness detection, air inlet and air leakage phenomena may occur at the gap of the filter product after assembly due to the large structure of the filter product, and in order to accurately detect the air tightness of the product, the product is placed in a vacuum box by adopting a vacuum attenuation method, and air in the box is pumped out. If the air outlet phenomenon exists in the assembly gap of the filter product to be tested, the pressure value delta P3 read by the IK-MF series air tightness detector is not up to standard, the product is unqualified, and a vacuum box structure matched with an air exhaust assembly, an air tightness detector and the like is designed for multiple manufacturers to combine to implement air tightness detection.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose: in view of the technical requirements in the background art, the bevel vacuum box for air tightness detection is designed, the vacuum box structure with the bevel can be utilized, the vacuum box with the opening above the traditional use is abandoned, labor is saved in the process of placing a product to be detected, the vacuum box is obliquely divided into two large box body structures, the sealing cover is driven to close through the cylinders on two sides, and the sealing cover is more effective than the sealing cover which is pressed by a single cylinder in the traditional use, practical and convenient.
The technical scheme adopted for solving the problems is as follows:
an oblique-mouth vacuum box for air tightness detection comprises a lower semi-vacuum box body, an upper semi-vacuum box body and telescopic cylinders at two sides, wherein the lower semi-vacuum box body, the upper semi-vacuum box body and the lower semi-vacuum box body are fixed on the upper end surface of a machine frame, the openings of the upper semi-vacuum box body and the lower semi-vacuum box body are butted to form a complete cuboid with a cavity reserved inside,
the rear end of the lower semi-vacuum box body is provided with an air inlet and an air extraction opening, the air extraction opening is externally communicated with an air tightness detector, the air inlet is externally communicated with a corrugated pipe and an air filter,
the rear end of the upper semi-vacuum box body is movably connected with the lower semi-vacuum box body through a hinged frame, one side of the hinged frame is fixedly connected with a top support frame on the lower semi-vacuum box body, a buffer valve is fixedly connected on the top support frame, so that when the upper semi-vacuum box body is lifted to the highest point, the rear end of the upper semi-vacuum box body is contacted with the buffer valve to slow down impact and vibration,
the upper end of the upper semi-vacuum box body is fixedly connected with a lifting rod, the two ends of the lifting rod are movably connected with a telescopic rod of a telescopic cylinder, the upper semi-vacuum box body is controlled to open and close under the telescopic driving of the telescopic cylinder,
the opening end face of the lower semi-vacuum box body is provided with a rectangular sealing ring, and when the upper semi-vacuum box body and the lower semi-vacuum box body are closed, the rectangular sealing ring is tightly attached to the opening end face of the upper semi-vacuum box body.
Further, an air extraction device and an air filter are arranged inside the machine frame, and the air filter is connected with the air inlet so as to supply the impurity-free gas to the air inlet of the lower vacuum box body and return the impurity-free gas.
The utility model has the advantages that:
this a bevel connection vacuum chamber for gas tightness detects can utilize the vacuum chamber structure of bevel connection, abandons the top open-ended vacuum chamber that traditional used, and it is laborsaving to place the product process of waiting to examine, and the vacuum chamber slant falls into big box structures such as two to drive through both sides cylinder and realize the airtight action of closing cap, press the apron leakproofness more effectively than the single cylinder of traditional use, make things convenient for actual production, practical convenient for.
Drawings
FIG. 1 is a perspective view of a bevel vacuum box for airtightness detection according to this embodiment;
FIG. 2 is a rear perspective view of the bevel vacuum box for airtightness testing according to the embodiment;
FIG. 3 is a side view of the bevel vacuum box for airtightness detection according to the embodiment;
FIG. 4 is a schematic structural diagram of the lower semi-vacuum box, the upper semi-vacuum box and the telescopic cylinders at two sides in this embodiment;
FIG. 5 is a rear view of the lower semi-vacuum box, the upper semi-vacuum box and the telescopic cylinders at two sides of the present embodiment;
the device comprises a machine frame 1, a control switch 2, a lower half vacuum box body 3, a left side telescopic cylinder 4, an upper half vacuum box body 5, a buffer valve 6, an air suction port 7, a right side telescopic cylinder 8, an air inlet 9, an air suction device 10, a top support frame 11, a hinge frame 12, a rectangular sealing ring 13 and a lifting rod 14.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-5, the present embodiment provides an oblique vacuum box for air tightness detection, including a lower semi-vacuum box 3 fixed on an upper end surface of a frame 1, an upper semi-vacuum box 5, and telescopic cylinders at two sides, wherein openings of the upper semi-vacuum box 5 and the lower semi-vacuum box 3 are butted to form a complete cuboid with a cavity inside.
Specifically, an air inlet 9 and an air exhaust opening 7 are formed in the rear end of the lower semi-vacuum box body 3, the air exhaust opening 7 is communicated with an air tightness detector, the air inlet 9 is communicated with a corrugated pipe and a filter, the rear end of the upper semi-vacuum box body 5 is movably connected with the lower semi-vacuum box body 3 through a hinged frame 12, a top support frame 11 is fixedly connected to one side of the hinged frame 12 on the lower semi-vacuum box body 3, and a buffer valve 6 is fixedly connected to the top support frame 11, so that when the upper semi-vacuum box body 5 is lifted to the highest point, the rear end of the upper semi-vacuum box body 5 is in contact with the buffer valve 6 to slow down impact and vibration.
Last half vacuum box 5 upper end has linked firmly support lifter 14, hold in the palm the 14 both ends all with telescopic cylinder's telescopic link swing joint, under telescopic cylinder's flexible drive, the action of opening and shutting of control first half vacuum box 5, the opening terminal surface of lower half vacuum box 3 is provided with rectangular seal 13, and when first half vacuum box 5 and lower half vacuum box 3 were closed, rectangular seal 13 closely laminated the opening terminal surface at first half vacuum box 5.
In a further embodiment, the frame 1 is internally provided with an air extraction device 10 and an air filter, which supplies the contaminant-free gas to the air inlet 9 of the lower vacuum chamber for back pressure.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a run-to-one side vacuum box for gas tightness detects, is including fixing the telescopic cylinder at the lower half vacuum box of frame up end, first half vacuum box and both sides, its characterized in that:
the openings of the upper semi-vacuum box body and the lower semi-vacuum box body are butted to form a complete cuboid with a cavity inside,
the rear end of the lower semi-vacuum box body is provided with an air inlet and an air extraction opening, the air extraction opening is externally communicated with an air tightness detector, the air inlet is externally communicated with a corrugated pipe and an air filter,
the rear end of the upper semi-vacuum box body is movably connected with the lower semi-vacuum box body through a hinged frame,
the upper end of the upper semi-vacuum box body is fixedly connected with a supporting lifting rod, the two ends of the supporting lifting rod are movably connected with a telescopic rod of a telescopic cylinder, and the upper semi-vacuum box body is controlled to open and close under the telescopic driving of the telescopic cylinder.
2. The bezel vacuum box for airtightness detection according to claim 1, wherein: and a top support frame is fixedly connected to the lower semi-vacuum box body on one side of the hinge frame, and a buffer valve is fixedly connected to the top support frame.
3. The bezel vacuum box for airtightness detection according to claim 1, wherein: the opening end face of the lower semi-vacuum box body is provided with a rectangular sealing ring, and when the upper semi-vacuum box body and the lower semi-vacuum box body are closed, the rectangular sealing ring is tightly attached to the opening end face of the upper semi-vacuum box body.
4. The bezel vacuum box for airtightness detection according to claim 1, wherein: an air extracting device and an air filter are arranged inside the machine frame, and the air filter is connected with the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121214653.1U CN214748659U (en) | 2021-06-02 | 2021-06-02 | A bevel connection vacuum chamber for gas tightness detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121214653.1U CN214748659U (en) | 2021-06-02 | 2021-06-02 | A bevel connection vacuum chamber for gas tightness detects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214748659U true CN214748659U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121214653.1U Active CN214748659U (en) | 2021-06-02 | 2021-06-02 | A bevel connection vacuum chamber for gas tightness detects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214748659U (en) |
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2021
- 2021-06-02 CN CN202121214653.1U patent/CN214748659U/en active Active
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